Andrew's git - gitweb.git/blob

   1#                                               -*- Autoconf -*-
   2# Process this file with autoconf to produce a configure script.
   3
   4AC_PREREQ(2.59)
   5AC_INIT([git], [1.4.1], [git@vger.kernel.org])
   6
   7AC_CONFIG_SRCDIR([git.c])
   8
   9config_file=config.mak.autogen
  10config_append=config.mak.append
  11config_in=config.mak.in
  12
  13echo "# ${config_append}.  Generated by configure." > "${config_append}"
  14
  15
  16## Definitions of macros
  17# GIT_CONF_APPEND_LINE(LINE)
  18# --------------------------
  19# Append LINE to file ${config_append}
  20AC_DEFUN([GIT_CONF_APPEND_LINE],
  21[echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE
  22#
  23# GIT_ARG_SET_PATH(PROGRAM)
  24# -------------------------
  25# Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
  26AC_DEFUN([GIT_ARG_SET_PATH],
  27[AC_ARG_WITH([$1],
  28 [AS_HELP_STRING([--with-$1=PATH],
  29                 [provide PATH to $1])],
  30 [GIT_CONF_APPEND_PATH($1)],[])
  31])# GIT_ARG_SET_PATH
  32#
  33# GIT_CONF_APPEND_PATH(PROGRAM)
  34# ------------------------------
  35# Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
  36# Used by GIT_ARG_SET_PATH(PROGRAM)
  37AC_DEFUN([GIT_CONF_APPEND_PATH],
  38[PROGRAM=m4_toupper($1); \
  39if test "$withval" = "no"; then \
  40        AC_MSG_WARN([You cannot use git without $1]); \
  41else \
  42        if test "$withval" = "yes"; then \
  43                AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
  44        else \
  45                GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
  46        fi; \
  47fi; \
  48]) # GIT_CONF_APPEND_PATH
  49
  50
  51## Site configuration
  52## --with-PACKAGE[=ARG] and --without-PACKAGE
  53#
  54# Define NO_SVN_TESTS if you want to skip time-consuming SVN interopability
  55# tests.  These tests take up a significant amount of the total test time
  56# but are not needed unless you plan to talk to SVN repos.
  57#
  58# Define MOZILLA_SHA1 environment variable when running make to make use of
  59# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
  60# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
  61# choice) has very fast version optimized for i586.
  62#
  63# Define PPC_SHA1 environment variable when running make to make use of
  64# a bundled SHA1 routine optimized for PowerPC.
  65#
  66# Define ARM_SHA1 environment variable when running make to make use of
  67# a bundled SHA1 routine optimized for ARM.
  68#
  69# Define NO_OPENSSL environment variable if you do not have OpenSSL.
  70# This also implies MOZILLA_SHA1.
  71#
  72# Define NO_CURL if you do not have curl installed.  git-http-pull and
  73# git-http-push are not built, and you cannot use http:// and https://
  74# transports.
  75#
  76# Define CURLDIR=/foo/bar if your curl header and library files are in
  77# /foo/bar/include and /foo/bar/lib directories.
  78#
  79# Define NO_EXPAT if you do not have expat installed.  git-http-push is
  80# not built, and you cannot push using http:// and https:// transports.
  81#
  82# Define NO_MMAP if you want to avoid mmap.
  83#
  84# Define NO_PYTHON if you want to loose all benefits of the recursive merge.
  85#
  86## --enable-FEATURE[=ARG] and --disable-FEATURE
  87# Define COLLISION_CHECK below if you believe that SHA1's
  88# 1461501637330902918203684832716283019655932542976 hashes do not give you
  89# sufficient guarantee that no collisions between objects will ever happen.
  90#
  91# Define USE_NSEC below if you want git to care about sub-second file mtimes
  92# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
  93# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
  94# randomly break unless your underlying filesystem supports those sub-second
  95# times (my ext3 doesn't).
  96#
  97# Define USE_STDEV below if you want git to care about the underlying device
  98# change being considered an inode change from the update-cache perspective.
  99
 100
 101## Checks for programs.
 102AC_MSG_NOTICE([CHECKS for programs])
 103#
 104GIT_ARG_SET_PATH(shell)
 105GIT_ARG_SET_PATH(perl)
 106AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python])
 107AS_HELP_STRING([--no-python], [don't use python scripts])],
 108 [if test "$withval" = "no"; then \
 109    NO_PYTHON=YesPlease; \
 110  elif test "$withval" != "yes"; then \
 111    PYTHON_PATH=$withval; \
 112  fi; \
 113 ])
 114AC_SUBST(NO_PYTHON)
 115AC_SUBST(PYTHON_PATH)
 116
 117
 118#
 119# Define NO_PYTHON if you want to lose all benefits of the recursive merge.
 120# Define PYTHON_PATH to provide path to Python.
 121AC_PROG_CC
 122#AC_PROG_INSTALL                # needs install-sh or install.sh in sources
 123AC_CHECK_TOOL(AR, ar, :)
 124AC_CHECK_PROGS(TAR, [gtar tar])
 125if test -z "$NO_PYTHON"; then
 126        AC_PATH_PROGS(PYTHON_PATH, [python2.4 python2.3 python2 python])
 127        if test -n "$PYTHON_PATH"; then
 128                GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@])
 129        else
 130                GIT_CONF_APPEND_LINE([NO_PYTHON=@NO_PYTHON@])
 131        fi
 132else
 133        GIT_CONF_APPEND_LINE([NO_PYTHON=@NO_PYTHON@])
 134fi
 135
 136
 137## Checks for libraries.
 138AC_MSG_NOTICE([CHECKS for libraries])
 139#
 140# Define NO_OPENSSL environment variable if you do not have OpenSSL.
 141# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
 142AC_CHECK_LIB([ssl], [SHA1_Init],[],
 143[AC_CHECK_LIB([crypto], [SHA1_INIT],
 144 [GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=YesPlease)],
 145 [GIT_CONF_APPEND_LINE(NO_OPENSSL=YesPlease)])])
 146#
 147# Define NO_CURL if you do not have curl installed.  git-http-pull and
 148# git-http-push are not built, and you cannot use http:// and https://
 149# transports.
 150AC_CHECK_LIB([curl], [curl_global_init],[],
 151[GIT_CONF_APPEND_LINE(NO_CURL=YesPlease)])
 152#
 153# Define NO_EXPAT if you do not have expat installed.  git-http-push is
 154# not built, and you cannot push using http:// and https:// transports.
 155AC_CHECK_LIB([expat], [XML_ParserCreate],[],
 156[GIT_CONF_APPEND_LINE(NO_EXPAT=YesPlease)])
 157#
 158# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
 159AC_CHECK_LIB([c], [iconv],[],
 160[AC_CHECK_LIB([iconv],[iconv],
 161 [GIT_CONF_APPEND_LINE(NEEDS_LIBICONV=YesPlease)],[])])
 162#
 163# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 164# Patrick Mauritz).
 165AC_CHECK_LIB([c], [socket],[],
 166[AC_CHECK_LIB([socket],[socket],
 167 [GIT_CONF_APPEND_LINE(NEEDS_SOCKET=YesPlease)],[])])
 168
 169
 170## Checks for header files.
 171
 172
 173## Checks for typedefs, structures, and compiler characteristics.
 174AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
 175#
 176# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
 177AC_CHECK_MEMBER(struct dirent.d_ino,[],
 178[GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=YesPlease)],
 179[#include <dirent.h>])
 180#
 181# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
 182# d_type in struct dirent (latest Cygwin -- will be fixed soonish).
 183AC_CHECK_MEMBER(struct dirent.d_type,[],
 184[GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=YesPlease)],
 185[#include <dirent.h>])
 186#
 187# Define NO_SOCKADDR_STORAGE if your platform does not have struct
 188# sockaddr_storage.
 189AC_CHECK_TYPE(struct sockaddr_storage,[],
 190[GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease)],
 191[#include <netinet/in.h>])
 192
 193
 194## Checks for library functions.
 195## (in default C library and libraries checked by AC_CHECK_LIB)
 196AC_MSG_NOTICE([CHECKS for library functions])
 197#
 198# Define NO_STRCASESTR if you don't have strcasestr.
 199AC_CHECK_FUNC(strcasestr,[],
 200[GIT_CONF_APPEND_LINE(NO_STRCASESTR=YesPlease)])
 201#
 202# Define NO_STRLCPY if you don't have strlcpy.
 203AC_CHECK_FUNC(strlcpy,[],
 204[GIT_CONF_APPEND_LINE(NO_STRLCPY=YesPlease)])
 205#
 206# Define NO_SETENV if you don't have setenv in the C library.
 207AC_CHECK_FUNC(setenv,[],
 208[GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease)])
 209#
 210# Define NO_MMAP if you want to avoid mmap.
 211#
 212# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 213#
 214# Define NO_ICONV if your libc does not properly support iconv.
 215
 216
 217## Other checks.
 218# Define USE_PIC if you need the main git objects to be built with -fPIC
 219# in order to build and link perl/Git.so.  x86-64 seems to need this.
 220#
 221# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
 222# Enable it on Windows.  By default, symrefs are still used.
 223#
 224# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
 225#
 226# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
 227# a missing newline at the end of the file.
 228
 229
 230## Output files
 231AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
 232AC_OUTPUT
 233
 234
 235## Cleanup
 236rm -f "${config_append}"